56405347274 has 4 divisors (see below), whose sum is σ = 84608020914. Its totient is φ = 28202673636.

The previous prime is 56405347259. The next prime is 56405347277. The reversal of 56405347274 is 47274350465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36674931049 + 19730416225 = 191507^2 + 140465^2 .

It is a super-2 number, since 2×56405347274² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56405347277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14101336817 + ... + 14101336820.

Almost surely, 2^56405347274 is an apocalyptic number.

56405347274 is a deficient number, since it is larger than the sum of its proper divisors (28202673640).

56405347274 is a wasteful number, since it uses less digits than its factorization.

56405347274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28202673639.

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 56405347274 in words is "fifty-six billion, four hundred five million, three hundred forty-seven thousand, two hundred seventy-four".