40620590 has 16 divisors (see below), whose sum is σ = 75638880. Its totient is φ = 15687840.

The previous prime is 40620589. The next prime is 40620607. The reversal of 40620590 is 9502604.

It is a congruent 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, 69746 + ... + 70325.

It is an arithmetic number, because the mean of its divisors is an integer number (4727430).

Almost surely, 2^40620590 is an apocalyptic number.

40620590 is a deficient number, since it is larger than the sum of its proper divisors (35018290).

40620590 is a wasteful number, since it uses less digits than its factorization.

40620590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140107.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40620590 is about 6373.4284337396. The cubic root of 40620590 is about 343.7547772339.

The spelling of 40620590 in words is "forty million, six hundred twenty thousand, five hundred ninety".