40313142 has 24 divisors (see below), whose sum is σ = 87937200. Its totient is φ = 13346640.

The previous prime is 40313123. The next prime is 40313167. The reversal of 40313142 is 24131304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4834 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (3664050).

Almost surely, 2^40313142 is an apocalyptic number.

40313142 is an abundant number, since it is smaller than the sum of its proper divisors (47624058).

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

40313142 is a wasteful number, since it uses less digits than its factorization.

40313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188 (or 15185 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40313142 is about 6349.2631068495. The cubic root of 40313142 is about 342.8853127152.

Adding to 40313142 its reverse (24131304), we get a palindrome (64444446).

The spelling of 40313142 in words is "forty million, three hundred thirteen thousand, one hundred forty-two".