40992210 has 192 divisors, whose sum is σ = 133781760. Its totient is φ = 8743680.

The previous prime is 40992191. The next prime is 40992227. The reversal of 40992210 is 1229904.

It is a super-2 number, since 2×40992210² = 3360722561368200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 999790 + ... + 999830.

It is an arithmetic number, because the mean of its divisors is an integer number (696780).

Almost surely, 2^40992210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40992210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66890880).

40992210 is an abundant number, since it is smaller than the sum of its proper divisors (92789550).

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

40992210 is a wasteful number, since it uses less digits than its factorization.

40992210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40992210 is about 6402.5159117334. The cubic root of 40992210 is about 344.7998839458.

The spelling of 40992210 in words is "forty million, nine hundred ninety-two thousand, two hundred ten".