40919580 has 240 divisors, whose sum is σ = 145141920. Its totient is φ = 9580032.

The previous prime is 40919569. The next prime is 40919591. The reversal of 40919580 is 8591904.

It is an interprime number because it is at equal distance from previous prime (40919569) and next prime (40919591).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 610707 + ... + 610773.

It is an arithmetic number, because the mean of its divisors is an integer number (604758).

Almost surely, 2^40919580 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 40919580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72570960).

40919580 is an abundant number, since it is smaller than the sum of its proper divisors (104222340).

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

40919580 is a wasteful number, since it uses less digits than its factorization.

40919580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 40919580 is about 6396.8414080701. The cubic root of 40919580 is about 344.5961247402.

The spelling of 40919580 in words is "forty million, nine hundred nineteen thousand, five hundred eighty".