40997376 has 240 divisors, whose sum is σ = 142990848. Its totient is φ = 11059200.

The previous prime is 40997351. The next prime is 40997381. The reversal of 40997376 is 67379904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999916 + ... + 999956.

Almost surely, 2^40997376 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 40997376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71495424).

40997376 is an abundant number, since it is smaller than the sum of its proper divisors (101993472).

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

40997376 is a wasteful number, since it uses less digits than its factorization.

40997376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 40997376 is about 6402.9193341787. The cubic root of 40997376 is about 344.8143676846.

The spelling of 40997376 in words is "forty million, nine hundred ninety-seven thousand, three hundred seventy-six".