40146330 has 32 divisors (see below), whose sum is σ = 110116224. Its totient is φ = 9176256.

The previous prime is 40146329. The next prime is 40146331. The reversal of 40146330 is 3364104.

It is an interprime number because it is at equal distance from previous prime (40146329) and next prime (40146331).

It is a super-2 number, since 2×40146330² = 3223455624937800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40146297 and 40146306.

It is not an unprimeable number, because it can be changed into a prime (40146331) 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, 95377 + ... + 95796.

It is an arithmetic number, because the mean of its divisors is an integer number (3441132).

Almost surely, 2^40146330 is an apocalyptic number.

40146330 is an abundant number, since it is smaller than the sum of its proper divisors (69969894).

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

40146330 is a wasteful number, since it uses less digits than its factorization.

40146330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191190.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40146330 is about 6336.1131618682. The cubic root of 40146330 is about 342.4117164612.

The spelling of 40146330 in words is "forty million, one hundred forty-six thousand, three hundred thirty".