40457022 has 16 divisors (see below), whose sum is σ = 81889920. Its totient is φ = 13323032.

The previous prime is 40457017. The next prime is 40457029. The reversal of 40457022 is 22075404.

It is a junction number, because it is equal to n+sod(n) for n = 40456983 and 40457001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40457029) 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, 40122 + ... + 41117.

It is an arithmetic number, because the mean of its divisors is an integer number (5118120).

Almost surely, 2^40457022 is an apocalyptic number.

40457022 is an abundant number, since it is smaller than the sum of its proper divisors (41432898).

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

40457022 is a wasteful number, since it uses less digits than its factorization.

40457022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81327.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 40457022 is about 6360.5834638027. The cubic root of 40457022 is about 343.2927543918.

The spelling of 40457022 in words is "forty million, four hundred fifty-seven thousand, twenty-two".