40725426 has 32 divisors (see below), whose sum is σ = 93921408. Its totient is φ = 11531520.

The previous prime is 40725409. The next prime is 40725427. The reversal of 40725426 is 62452704.

It is a junction number, because it is equal to n+sod(n) for n = 40725393 and 40725402.

It is not an unprimeable number, because it can be changed into a prime (40725427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456 + ... + 9036.

It is an arithmetic number, because the mean of its divisors is an integer number (2935044).

Almost surely, 2^40725426 is an apocalyptic number.

40725426 is an abundant number, since it is smaller than the sum of its proper divisors (53195982).

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

40725426 is a wasteful number, since it uses less digits than its factorization.

40725426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 40725426 is about 6381.6475929026. The cubic root of 40725426 is about 344.0502506815.

The spelling of 40725426 in words is "forty million, seven hundred twenty-five thousand, four hundred twenty-six".