40153750 has 80 divisors (see below), whose sum is σ = 92895264. Its totient is φ = 12672000.

The previous prime is 40153721. The next prime is 40153781. The reversal of 40153750 is 5735104.

It is a super-2 number, since 2×40153750² = 3224647278125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 113574 + ... + 113926.

Almost surely, 2^40153750 is an apocalyptic number.

40153750 is an abundant number, since it is smaller than the sum of its proper divisors (52741514).

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

40153750 is a wasteful number, since it uses less digits than its factorization.

40153750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 40153750 is about 6336.6986672872. The cubic root of 40153750 is about 342.4328104476.

Adding to 40153750 its reverse (5735104), we get a palindrome (45888854).

The spelling of 40153750 in words is "forty million, one hundred fifty-three thousand, seven hundred fifty".