40370142 has 16 divisors (see below), whose sum is σ = 81165312. Its totient is φ = 13385880.

The previous prime is 40370131. The next prime is 40370159. The reversal of 40370142 is 24107304.

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, 16468 + ... + 18759.

It is an arithmetic number, because the mean of its divisors is an integer number (5072832).

Almost surely, 2^40370142 is an apocalyptic number.

40370142 is an abundant number, since it is smaller than the sum of its proper divisors (40795170).

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

40370142 is a wasteful number, since it uses less digits than its factorization.

40370142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35423.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40370142 is about 6353.7502311627. The cubic root of 40370142 is about 343.0468419964.

Adding to 40370142 its reverse (24107304), we get a palindrome (64477446).

The spelling of 40370142 in words is "forty million, three hundred seventy thousand, one hundred forty-two".