40496790 has 64 divisors (see below), whose sum is σ = 106790400. Its totient is φ = 9782784.

The previous prime is 40496773. The next prime is 40496791. The reversal of 40496790 is 9769404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40496791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11566 + ... + 14654.

It is an arithmetic number, because the mean of its divisors is an integer number (1668600).

Almost surely, 2^40496790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40496790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53395200).

40496790 is an abundant number, since it is smaller than the sum of its proper divisors (66293610).

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

40496790 is a wasteful number, since it uses less digits than its factorization.

40496790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 40496790 is about 6363.7088242628. The cubic root of 40496790 is about 343.4051996060.

The spelling of 40496790 in words is "forty million, four hundred ninety-six thousand, seven hundred ninety".