40922340 has 48 divisors (see below), whose sum is σ = 116164608. Its totient is φ = 10761984.

The previous prime is 40922339. The next prime is 40922347. The reversal of 40922340 is 4322904.

It is a happy number.

It is a super-2 number, since 2×40922340² = 3349275822151200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40922340.

It is not an unprimeable number, because it can be changed into a prime (40922347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (2420096).

Almost surely, 2^40922340 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 40922340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58082304).

40922340 is an abundant number, since it is smaller than the sum of its proper divisors (75242268).

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

40922340 is a wasteful number, since it uses less digits than its factorization.

40922340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428 (or 9426 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40922340 is about 6397.0571359024. The cubic root of 40922340 is about 344.6038721635.

The spelling of 40922340 in words is "forty million, nine hundred twenty-two thousand, three hundred forty".