40977090 has 224 divisors, whose sum is σ = 139764096. Its totient is φ = 8398080.

The previous prime is 40977073. The next prime is 40977119. The reversal of 40977090 is 9077904.

40977090 = 470² + 471² + ... + 609².

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 561294 + ... + 561366.

Almost surely, 2^40977090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40977090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69882048).

40977090 is an abundant number, since it is smaller than the sum of its proper divisors (98787006).

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

40977090 is a wasteful number, since it uses less digits than its factorization.

40977090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 40977090 is about 6401.3350170101. The cubic root of 40977090 is about 344.7574855213.

The spelling of 40977090 in words is "forty million, nine hundred seventy-seven thousand, ninety".