40620552 has 64 divisors (see below), whose sum is σ = 118778880. Its totient is φ = 11333952.

The previous prime is 40620551. The next prime is 40620577. The reversal of 40620552 is 25502604.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40620551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4413 + ... + 10035.

It is an arithmetic number, because the mean of its divisors is an integer number (1855920).

Almost surely, 2^40620552 is an apocalyptic number.

40620552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40620552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59389440).

40620552 is an abundant number, since it is smaller than the sum of its proper divisors (78158328).

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

40620552 is a wasteful number, since it uses less digits than its factorization.

40620552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40620552 is about 6373.4254526118. The cubic root of 40620552 is about 343.7546700412.

The spelling of 40620552 in words is "forty million, six hundred twenty thousand, five hundred fifty-two".