40396356 has 288 divisors, whose sum is σ = 146764800. Its totient is φ = 9020160.

The previous prime is 40396351. The next prime is 40396361. The reversal of 40396356 is 65369304.

It is an interprime number because it is at equal distance from previous prime (40396351) and next prime (40396361).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40396356.

It is not an unprimeable number, because it can be changed into a prime (40396351) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 684655 + ... + 684713.

It is an arithmetic number, because the mean of its divisors is an integer number (509600).

Almost surely, 2^40396356 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 40396356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73382400).

40396356 is an abundant number, since it is smaller than the sum of its proper divisors (106368444).

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

40396356 is a wasteful number, since it uses less digits than its factorization.

40396356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 40396356 is about 6355.8127725728. The cubic root of 40396356 is about 343.1210774234.

The spelling of 40396356 in words is "forty million, three hundred ninety-six thousand, three hundred fifty-six".