1400535044 has 12 divisors (see below), whose sum is σ = 2557498944. Its totient is φ = 669821064.

The previous prime is 1400535041. The next prime is 1400535047. The reversal of 1400535044 is 4405350041.

It is an interprime number because it is at equal distance from previous prime (1400535041) and next prime (1400535047).

It is a super-2 number, since 2×1400535044² = 3922996818944163872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400535041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611512 + ... + 7611695.

It is an arithmetic number, because the mean of its divisors is an integer number (213124912).

Almost surely, 2^1400535044 is an apocalyptic number.

It is an amenable number.

1400535044 is a deficient number, since it is larger than the sum of its proper divisors (1156963900).

1400535044 is a wasteful number, since it uses less digits than its factorization.

1400535044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15223234 (or 15223232 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1400535044 is about 37423.7230109459. The cubic root of 1400535044 is about 1118.8314353130.

Adding to 1400535044 its reverse (4405350041), we get a palindrome (5805885085).

The spelling of 1400535044 in words is "one billion, four hundred million, five hundred thirty-five thousand, forty-four".