40870142 has 8 divisors (see below), whose sum is σ = 64911456. Its totient is φ = 19232992.

The previous prime is 40870127. The next prime is 40870157. The reversal of 40870142 is 24107804.

It is an interprime number because it is at equal distance from previous prime (40870127) and next prime (40870157).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600998 + ... + 601065.

It is an arithmetic number, because the mean of its divisors is an integer number (8113932).

Almost surely, 2^40870142 is an apocalyptic number.

40870142 is a deficient number, since it is larger than the sum of its proper divisors (24041314).

40870142 is a wasteful number, since it uses less digits than its factorization.

40870142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202082.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40870142 is about 6392.9759893183. The cubic root of 40870142 is about 344.4572913773.

Adding to 40870142 its reverse (24107804), we get a palindrome (64977946).

The spelling of 40870142 in words is "forty million, eight hundred seventy thousand, one hundred forty-two".