40390822 has 16 divisors (see below), whose sum is σ = 62647200. Its totient is φ = 19517760.

The previous prime is 40390807. The next prime is 40390841. The reversal of 40390822 is 22809304.

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, 6679 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (3915450).

Almost surely, 2^40390822 is an apocalyptic number.

40390822 is a deficient number, since it is larger than the sum of its proper divisors (22256378).

40390822 is a wasteful number, since it uses less digits than its factorization.

40390822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40390822 is about 6355.3774081482. The cubic root of 40390822 is about 343.1054083635.

The spelling of 40390822 in words is "forty million, three hundred ninety thousand, eight hundred twenty-two".