40980492 has 144 divisors (see below), whose sum is σ = 129642240. Its totient is φ = 11057472.

The previous prime is 40980491. The next prime is 40980517. The reversal of 40980492 is 29408904.

It is a happy number.

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 (40980491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129118 + ... + 129434.

Almost surely, 2^40980492 is an apocalyptic number.

40980492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40980492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64821120).

40980492 is an abundant number, since it is smaller than the sum of its proper divisors (88661748).

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

40980492 is a wasteful number, since it uses less digits than its factorization.

40980492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40980492 is about 6401.6007373156. The cubic root of 40980492 is about 344.7670260761.

The spelling of 40980492 in words is "forty million, nine hundred eighty thousand, four hundred ninety-two".