40256342 has 48 divisors (see below), whose sum is σ = 73945872. Its totient is φ = 16369920.

The previous prime is 40256339. The next prime is 40256353. The reversal of 40256342 is 24365204.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172658 + ... + 172890.

It is an arithmetic number, because the mean of its divisors is an integer number (1540539).

Almost surely, 2^40256342 is an apocalyptic number.

40256342 is a deficient number, since it is larger than the sum of its proper divisors (33689530).

40256342 is a wasteful number, since it uses less digits than its factorization.

40256342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40256342 is about 6344.7885701574. The cubic root of 40256342 is about 342.7241986720.

The spelling of 40256342 in words is "forty million, two hundred fifty-six thousand, three hundred forty-two".