40152780 has 48 divisors (see below), whose sum is σ = 124921440. Its totient is φ = 10707264.

The previous prime is 40152731. The next prime is 40152811. The reversal of 40152780 is 8725104.

40152780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40152780² = 3224491483456800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36639 + ... + 37718.

It is an arithmetic number, because the mean of its divisors is an integer number (2602530).

Almost surely, 2^40152780 is an apocalyptic number.

It is an amenable number.

40152780 is an abundant number, since it is smaller than the sum of its proper divisors (84768660).

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

40152780 is a wasteful number, since it uses less digits than its factorization.

40152780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74375 (or 74367 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 40152780 is about 6336.6221285477. The cubic root of 40152780 is about 342.4300530256.

Adding to 40152780 its reverse (8725104), we get a palindrome (48877884).

The spelling of 40152780 in words is "forty million, one hundred fifty-two thousand, seven hundred eighty".