1404036431 has 16 divisors (see below), whose sum is σ = 1666925568. Its totient is φ = 1157553600.

The previous prime is 1404036419. The next prime is 1404036457. The reversal of 1404036431 is 1346304041.

It is not a de Polignac number, because 1404036431 - 2¹⁸ = 1403774287 is a prime.

It is a super-2 number, since 2×1404036431² = 3942636599150435522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1404036431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404036401) 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, 14075 + ... + 54828.

It is an arithmetic number, because the mean of its divisors is an integer number (104182848).

Almost surely, 2^1404036431 is an apocalyptic number.

1404036431 is a deficient number, since it is larger than the sum of its proper divisors (262889137).

1404036431 is an equidigital number, since it uses as much as digits as its factorization.

1404036431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69022.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1404036431 is about 37470.4741229678. The cubic root of 1404036431 is about 1119.7630320835.

The spelling of 1404036431 in words is "one billion, four hundred four million, thirty-six thousand, four hundred thirty-one".