40102426 has 32 divisors (see below), whose sum is σ = 77938560. Its totient is φ = 15028416.

The previous prime is 40102411. The next prime is 40102427. The reversal of 40102426 is 62420104.

40102426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (40102427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (2435580).

Almost surely, 2^40102426 is an apocalyptic number.

40102426 is a deficient number, since it is larger than the sum of its proper divisors (37836134).

40102426 is a wasteful number, since it uses less digits than its factorization.

40102426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40102426 is about 6332.6476295464. The cubic root of 40102426 is about 342.2868505233.

The spelling of 40102426 in words is "forty million, one hundred two thousand, four hundred twenty-six".