40386030 has 32 divisors (see below), whose sum is σ = 99183744. Its totient is φ = 10518816.

The previous prime is 40386023. The next prime is 40386037. The reversal of 40386030 is 3068304.

40386030 = 3176² + 3177² + ... + 3179².

It is an interprime number because it is at equal distance from previous prime (40386023) and next prime (40386037).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40386037) 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, 14364 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (3099492).

Almost surely, 2^40386030 is an apocalyptic number.

40386030 is an abundant number, since it is smaller than the sum of its proper divisors (58797714).

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

40386030 is a wasteful number, since it uses less digits than its factorization.

40386030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31360.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40386030 is about 6355.0003933910. Note that the first 3 decimals coincide. The cubic root of 40386030 is about 343.0918390586.

The spelling of 40386030 in words is "forty million, three hundred eighty-six thousand, thirty".