40979190 has 96 divisors (see below), whose sum is σ = 116537184. Its totient is φ = 9192960.

The previous prime is 40979189. The next prime is 40979201. The reversal of 40979190 is 9197904.

It is a super-2 number, since 2×40979190² = 3358588026112200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89442 + ... + 89898.

It is an arithmetic number, because the mean of its divisors is an integer number (1213929).

Almost surely, 2^40979190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40979190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58268592).

40979190 is an abundant number, since it is smaller than the sum of its proper divisors (75557994).

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

40979190 is a wasteful number, since it uses less digits than its factorization.

40979190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 40979190 is about 6401.4990431929. The cubic root of 40979190 is about 344.7633748150.

The spelling of 40979190 in words is "forty million, nine hundred seventy-nine thousand, one hundred ninety".