40903872 has 56 divisors (see below), whose sum is σ = 108972096. Its totient is φ = 13540608.

The previous prime is 40903861. The next prime is 40903883. The reversal of 40903872 is 27830904.

It is an interprime number because it is at equal distance from previous prime (40903861) and next prime (40903883).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30643 + ... + 31949.

Almost surely, 2^40903872 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 40903872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54486048).

40903872 is an abundant number, since it is smaller than the sum of its proper divisors (68068224).

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

40903872 is a wasteful number, since it uses less digits than its factorization.

40903872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40903872 is about 6395.6134967648. The cubic root of 40903872 is about 344.5520251616.

The spelling of 40903872 in words is "forty million, nine hundred three thousand, eight hundred seventy-two".