1400740808 has 16 divisors (see below), whose sum is σ = 2645286000. Its totient is φ = 695331216.

The previous prime is 1400740801. The next prime is 1400740811. The reversal of 1400740808 is 8080470041.

It is a super-2 number, since 2×1400740808² = 3924149622392985728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400740801) 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, 628718 + ... + 630941.

It is an arithmetic number, because the mean of its divisors is an integer number (165330375).

Almost surely, 2^1400740808 is an apocalyptic number.

It is an amenable number.

1400740808 is a deficient number, since it is larger than the sum of its proper divisors (1244545192).

1400740808 is a wasteful number, since it uses less digits than its factorization.

1400740808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259804 (or 1259800 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 1400740808 is about 37426.4720218190. The cubic root of 1400740808 is about 1118.8862248400.

The spelling of 1400740808 in words is "one billion, four hundred million, seven hundred forty thousand, eight hundred eight".