40427762394 has 16 divisors (see below), whose sum is σ = 80866385568. Its totient is φ = 13474110672.

The previous prime is 40427762393. The next prime is 40427762429. The reversal of 40427762394 is 49326772404.

It is a happy number.

It is a super-2 number, since 2×40427762394² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40427762393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403737 + ... + 493820.

It is an arithmetic number, because the mean of its divisors is an integer number (5054149098).

Almost surely, 2^40427762394 is an apocalyptic number.

40427762394 is an abundant number, since it is smaller than the sum of its proper divisors (40438623174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40427762394 is a wasteful number, since it uses less digits than its factorization.

40427762394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905069.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 40427762394 in words is "forty billion, four hundred twenty-seven million, seven hundred sixty-two thousand, three hundred ninety-four".