1400341440 has 112 divisors (see below), whose sum is σ = 4549615488. Its totient is φ = 364729344.

The previous prime is 1400341409. The next prime is 1400341441. The reversal of 1400341440 is 441430041.

It is a super-2 number, since 2×1400341440² = 3921912297162547200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400341441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24319 + ... + 58241.

Almost surely, 2^1400341440 is an apocalyptic number.

1400341440 is a gapful number since it is divisible by the number (10) 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 1400341440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274807744).

1400341440 is an abundant number, since it is smaller than the sum of its proper divisors (3149274048).

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

1400341440 is a wasteful number, since it uses less digits than its factorization.

1400341440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33986 (or 33976 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1400341440 is about 37421.1362735019. The cubic root of 1400341440 is about 1118.7798787730.

Adding to 1400341440 its reverse (441430041), we get a palindrome (1841771481).

The spelling of 1400341440 in words is "one billion, four hundred million, three hundred forty-one thousand, four hundred forty".