40919472 has 160 divisors (see below), whose sum is σ = 130944000. Its totient is φ = 12130560.

The previous prime is 40919419. The next prime is 40919479. The reversal of 40919472 is 27491904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40919479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375354 + ... + 375462.

It is an arithmetic number, because the mean of its divisors is an integer number (818400).

Almost surely, 2^40919472 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 40919472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65472000).

40919472 is an abundant number, since it is smaller than the sum of its proper divisors (90024528).

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

40919472 is a wasteful number, since it uses less digits than its factorization.

40919472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 40919472 is about 6396.8329663983. The cubic root of 40919472 is about 344.5958215731.

It can be divided in two parts, 409 and 19472, that added together give a square (19881 = 141²).

The spelling of 40919472 in words is "forty million, nine hundred nineteen thousand, four hundred seventy-two".