40658496 has 56 divisors (see below), whose sum is σ = 108045504. Its totient is φ = 13493760.

The previous prime is 40658491. The next prime is 40658531. The reversal of 40658496 is 69485604.

It is a super-5 number, since 5×40658496⁵ (a number of 39 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40658491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80581 + ... + 81083.

It is an arithmetic number, because the mean of its divisors is an integer number (1929384).

Almost surely, 2^40658496 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 40658496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54022752).

40658496 is an abundant number, since it is smaller than the sum of its proper divisors (67387008).

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

40658496 is a wasteful number, since it uses less digits than its factorization.

40658496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 40658496 is about 6376.4014930053. The cubic root of 40658496 is about 343.8616714427.

It can be divided in two parts, 4065 and 8496, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 40658496 in words is "forty million, six hundred fifty-eight thousand, four hundred ninety-six".