40130356 has 48 divisors (see below), whose sum is σ = 85106560. Its totient is φ = 16174080.

The previous prime is 40130329. The next prime is 40130359. The reversal of 40130356 is 65303104.

It is a super-2 number, since 2×40130356² = 3220890945373472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130359) 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, 128056 + ... + 128368.

Almost surely, 2^40130356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40130356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42553280).

40130356 is an abundant number, since it is smaller than the sum of its proper divisors (44976204).

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

40130356 is a wasteful number, since it uses less digits than its factorization.

40130356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 40130356 is about 6334.8524844703. The cubic root of 40130356 is about 342.3662958680.

The spelling of 40130356 in words is "forty million, one hundred thirty thousand, three hundred fifty-six".