40556022 has 32 divisors (see below), whose sum is σ = 87618048. Its totient is φ = 12440736.

The previous prime is 40556017. The next prime is 40556023. The reversal of 40556022 is 22065504.

It is a junction number, because it is equal to n+sod(n) for n = 40555983 and 40556001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35553 + ... + 36675.

It is an arithmetic number, because the mean of its divisors is an integer number (2738064).

Almost surely, 2^40556022 is an apocalyptic number.

40556022 is an abundant number, since it is smaller than the sum of its proper divisors (47062026).

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

40556022 is a wasteful number, since it uses less digits than its factorization.

40556022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40556022 is about 6368.3610136361. The cubic root of 40556022 is about 343.5725434695.

The spelling of 40556022 in words is "forty million, five hundred fifty-six thousand, twenty-two".