40507572 has 24 divisors (see below), whose sum is σ = 108020416. Its totient is φ = 11573568.

The previous prime is 40507553. The next prime is 40507589. The reversal of 40507572 is 27570504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241033 + ... + 241200.

Almost surely, 2^40507572 is an apocalyptic number.

40507572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40507572 is an abundant number, since it is smaller than the sum of its proper divisors (67512844).

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

40507572 is a wasteful number, since it uses less digits than its factorization.

40507572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482247 (or 482245 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 40507572 is about 6364.5559153801. Note that the first 3 decimals coincide. The cubic root of 40507572 is about 343.4356733490.

The spelling of 40507572 in words is "forty million, five hundred seven thousand, five hundred seventy-two".