40425396 has 24 divisors (see below), whose sum is σ = 102901344. Its totient is φ = 12250080.

The previous prime is 40425373. The next prime is 40425397. The reversal of 40425396 is 69352404.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425397) 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, 152995 + ... + 153258.

It is an arithmetic number, because the mean of its divisors is an integer number (4287556).

Almost surely, 2^40425396 is an apocalyptic number.

It is an amenable number.

40425396 is an abundant number, since it is smaller than the sum of its proper divisors (62475948).

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

40425396 is a wasteful number, since it uses less digits than its factorization.

40425396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306271 (or 306269 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 40425396 is about 6358.0968850750. The cubic root of 40425396 is about 343.2032783143.

The spelling of 40425396 in words is "forty million, four hundred twenty-five thousand, three hundred ninety-six".