40142610 has 48 divisors (see below), whose sum is σ = 110514456. Its totient is φ = 10074624.

The previous prime is 40142603. The next prime is 40142617. The reversal of 40142610 is 1624104.

40142610 is a `hidden beast` number, since 40 + 14 + 2 + 610 = 666.

It is an interprime number because it is at equal distance from previous prime (40142603) and next prime (40142617).

It can be written as a sum of positive squares in 4 ways, for example, as 30239001 + 9903609 = 5499^2 + 3147^2 .

It is a super-2 number, since 2×40142610² = 3222858275224200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11589 + ... + 14648.

Almost surely, 2^40142610 is an apocalyptic number.

40142610 is an abundant number, since it is smaller than the sum of its proper divisors (70371846).

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

40142610 is a wasteful number, since it uses less digits than its factorization.

40142610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26267 (or 26264 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40142610 is about 6335.8195997045. The cubic root of 40142610 is about 342.4011400612.

Adding to 40142610 its reverse (1624104), we get a palindrome (41766714).

The spelling of 40142610 in words is "forty million, one hundred forty-two thousand, six hundred ten".