40534788 has 48 divisors (see below), whose sum is σ = 108652544. Its totient is φ = 11521440.

The previous prime is 40534787. The next prime is 40534789. The reversal of 40534788 is 88743504.

It is an interprime number because it is at equal distance from previous prime (40534787) and next prime (40534789).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40534787) 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, 16581 + ... + 18867.

Almost surely, 2^40534788 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 40534788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54326272).

40534788 is an abundant number, since it is smaller than the sum of its proper divisors (68117756).

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

40534788 is a wasteful number, since it uses less digits than its factorization.

40534788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 40534788 is about 6366.6936474123. The cubic root of 40534788 is about 343.5125713402.

The spelling of 40534788 in words is "forty million, five hundred thirty-four thousand, seven hundred eighty-eight".