40454512042 has 16 divisors (see below), whose sum is σ = 70487488512. Its totient is φ = 17053423920.

The previous prime is 40454512037. The next prime is 40454512057. The reversal of 40454512042 is 24021545404.

It is a junction number, because it is equal to n+sod(n) for n = 40454511995 and 40454512013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23684458 + ... + 23686165.

It is an arithmetic number, because the mean of its divisors is an integer number (4405468032).

Almost surely, 2^40454512042 is an apocalyptic number.

40454512042 is a deficient number, since it is larger than the sum of its proper divisors (30032976470).

40454512042 is a wasteful number, since it uses less digits than its factorization.

40454512042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47370693.

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 40454512042 in words is "forty billion, four hundred fifty-four million, five hundred twelve thousand, forty-two".