40425727474234 has 4 divisors (see below), whose sum is σ = 60638591211354. Its totient is φ = 20212863737116.

The previous prime is 40425727474201. The next prime is 40425727474259. The reversal of 40425727474234 is 43247472752404.

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., 39964206975625 + 461520498609 = 6321725^2 + 679353^2 .

It is a super-2 number, since 2×40425727474234² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106431868557 + ... + 10106431868560.

Almost surely, 2^{40425727474234} is an apocalyptic number.

40425727474234 is a deficient number, since it is larger than the sum of its proper divisors (20212863737120).

40425727474234 is a wasteful number, since it uses less digits than its factorization.

40425727474234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212863737119.

The product of its (nonzero) digits is 42147840, while the sum is 55.

The spelling of 40425727474234 in words is "forty trillion, four hundred twenty-five billion, seven hundred twenty-seven million, four hundred seventy-four thousand, two hundred thirty-four".