40788550 has 24 divisors (see below), whose sum is σ = 82764792. Its totient is φ = 14832000.

The previous prime is 40788523. The next prime is 40788557. The reversal of 40788550 is 5588704.

It is a super-2 number, since 2×40788550² = 3327411622205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40788557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36531 + ... + 37630.

It is an arithmetic number, because the mean of its divisors is an integer number (3448533).

Almost surely, 2^40788550 is an apocalyptic number.

40788550 is an abundant number, since it is smaller than the sum of its proper divisors (41976242).

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

40788550 is a wasteful number, since it uses less digits than its factorization.

40788550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74184 (or 74179 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 40788550 is about 6386.5914226604. The cubic root of 40788550 is about 344.2279170602.

The spelling of 40788550 in words is "forty million, seven hundred eighty-eight thousand, five hundred fifty".