40242355 has 8 divisors (see below), whose sum is σ = 48413664. Its totient is φ = 32112000.

The previous prime is 40242337. The next prime is 40242403. The reversal of 40242355 is 55324204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40242355 - 2⁹ = 40241843 is a prime.

It is a Duffinian 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, 8031 + ... + 12040.

It is an arithmetic number, because the mean of its divisors is an integer number (6051708).

Almost surely, 2^40242355 is an apocalyptic number.

40242355 is a deficient number, since it is larger than the sum of its proper divisors (8171309).

40242355 is a wasteful number, since it uses less digits than its factorization.

40242355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20477.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40242355 is about 6343.6862312066. The cubic root of 40242355 is about 342.6845010871.

Adding to 40242355 its reverse (55324204), we get a palindrome (95566559).

The spelling of 40242355 in words is "forty million, two hundred forty-two thousand, three hundred fifty-five".