40425455436 has 24 divisors (see below), whose sum is σ = 94572355584. Its totient is φ = 13439967120.

The previous prime is 40425455423. The next prime is 40425455459. The reversal of 40425455436 is 63455452404.

It is a happy number.

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, 4393300 + ... + 4402491.

It is an arithmetic number, because the mean of its divisors is an integer number (3940514816).

Almost surely, 2^40425455436 is an apocalyptic number.

It is an amenable number.

40425455436 is an abundant number, since it is smaller than the sum of its proper divisors (54146900148).

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

40425455436 is a wasteful number, since it uses less digits than its factorization.

40425455436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8796181 (or 8796179 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 40425455436 in words is "forty billion, four hundred twenty-five million, four hundred fifty-five thousand, four hundred thirty-six".