40253356 has 24 divisors (see below), whose sum is σ = 82759824. Its totient is φ = 16889280.

The previous prime is 40253347. The next prime is 40253359. The reversal of 40253356 is 65335204.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40253359) 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, 34615 + ... + 35758.

It is an arithmetic number, because the mean of its divisors is an integer number (3448326).

Almost surely, 2^40253356 is an apocalyptic number.

It is an amenable number.

40253356 is an abundant number, since it is smaller than the sum of its proper divisors (42506468).

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

40253356 is a wasteful number, since it uses less digits than its factorization.

40253356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70401 (or 70399 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 40253356 is about 6344.5532545641. The cubic root of 40253356 is about 342.7157246469.

It can be divided in two parts, 4025 and 3356, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 40253356 in words is "forty million, two hundred fifty-three thousand, three hundred fifty-six".