40290502 has 16 divisors (see below), whose sum is σ = 69783840. Its totient is φ = 17088768.

The previous prime is 40290479. The next prime is 40290511. The reversal of 40290502 is 20509204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13477 + ... + 16192.

It is an arithmetic number, because the mean of its divisors is an integer number (4361490).

Almost surely, 2^40290502 is an apocalyptic number.

40290502 is a deficient number, since it is larger than the sum of its proper divisors (29493338).

40290502 is a wasteful number, since it uses less digits than its factorization.

40290502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29775.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 40290502 is about 6347.4799723985. The cubic root of 40290502 is about 342.8211121694.

Adding to 40290502 its reverse (20509204), we get a palindrome (60799706).

The spelling of 40290502 in words is "forty million, two hundred ninety thousand, five hundred two".