40448536 has 16 divisors (see below), whose sum is σ = 79138800. Its totient is φ = 19344864.

The previous prime is 40448501. The next prime is 40448539. The reversal of 40448536 is 63584404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109731 + ... + 110098.

It is an arithmetic number, because the mean of its divisors is an integer number (4946175).

Almost surely, 2^40448536 is an apocalyptic number.

40448536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40448536 is a deficient number, since it is larger than the sum of its proper divisors (38690264).

40448536 is a wasteful number, since it uses less digits than its factorization.

40448536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219858 (or 219854 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 40448536 is about 6359.9163516512. The cubic root of 40448536 is about 343.2687504334.

The spelling of 40448536 in words is "forty million, four hundred forty-eight thousand, five hundred thirty-six".