1401767696 has 60 divisors (see below), whose sum is σ = 3236472540. Its totient is φ = 586091520.

The previous prime is 1401767687. The next prime is 1401767699. The reversal of 1401767696 is 6967671041.

It can be written as a sum of positive squares in 2 ways, for example, as 76807696 + 1324960000 = 8764^2 + 36400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1401767696.

It is not an unprimeable number, because it can be changed into a prime (1401767699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10340 + ... + 53948.

It is an arithmetic number, because the mean of its divisors is an integer number (53941209).

Almost surely, 2^1401767696 is an apocalyptic number.

1401767696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401767696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618236270).

1401767696 is an abundant number, since it is smaller than the sum of its proper divisors (1834704844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401767696 is a wasteful number, since it uses less digits than its factorization.

1401767696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43672 (or 43659 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 1401767696 is about 37440.1882473900. The cubic root of 1401767696 is about 1119.1595778577.

The spelling of 1401767696 in words is "one billion, four hundred one million, seven hundred sixty-seven thousand, six hundred ninety-six".