40977420 has 96 divisors (see below), whose sum is σ = 127927296. Its totient is φ = 9715200.

The previous prime is 40977413. The next prime is 40977449. The reversal of 40977420 is 2477904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30360 + ... + 31680.

It is an arithmetic number, because the mean of its divisors is an integer number (1332576).

Almost surely, 2^40977420 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 40977420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63963648).

40977420 is an abundant number, since it is smaller than the sum of its proper divisors (86949876).

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

40977420 is a wasteful number, since it uses less digits than its factorization.

40977420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 40977420 is about 6401.3607928315. The cubic root of 40977420 is about 344.7584109951.

The spelling of 40977420 in words is "forty million, nine hundred seventy-seven thousand, four hundred twenty".