40611984 has 120 divisors (see below), whose sum is σ = 126206208. Its totient is φ = 11208960.

The previous prime is 40611979. The next prime is 40612003. The reversal of 40611984 is 48911604.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 72634 + ... + 73190.

Almost surely, 2^40611984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40611984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63103104).

40611984 is an abundant number, since it is smaller than the sum of its proper divisors (85594224).

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

40611984 is a wasteful number, since it uses less digits than its factorization.

40611984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 40611984 is about 6372.7532511466. The cubic root of 40611984 is about 343.7304992133.

The spelling of 40611984 in words is "forty million, six hundred eleven thousand, nine hundred eighty-four".