1401151552 has 56 divisors (see below), whose sum is σ = 2830689792. Its totient is φ = 688012800.

The previous prime is 1401151541. The next prime is 1401151573. The reversal of 1401151552 is 2551511041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013902 + ... + 1015282.

It is an arithmetic number, because the mean of its divisors is an integer number (50548032).

Almost surely, 2^1401151552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401151552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415344896).

1401151552 is an abundant number, since it is smaller than the sum of its proper divisors (1429538240).

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

1401151552 is a wasteful number, since it uses less digits than its factorization.

1401151552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1401151552 is about 37431.9589655684. The cubic root of 1401151552 is about 1118.9955790920.

Adding to 1401151552 its reverse (2551511041), we get a palindrome (3952662593).

The spelling of 1401151552 in words is "one billion, four hundred one million, one hundred fifty-one thousand, five hundred fifty-two".