40897710 has 80 divisors (see below), whose sum is σ = 125696736. Its totient is φ = 9346752.

The previous prime is 40897673. The next prime is 40897729. The reversal of 40897710 is 1779804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2064 + ... + 9276.

Almost surely, 2^40897710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40897710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62848368).

40897710 is an abundant number, since it is smaller than the sum of its proper divisors (84799026).

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

40897710 is a wasteful number, since it uses less digits than its factorization.

40897710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7230 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 40897710 is about 6395.1317421927. The cubic root of 40897710 is about 344.5347225112.

The spelling of 40897710 in words is "forty million, eight hundred ninety-seven thousand, seven hundred ten".