40142207655210 has 64 divisors (see below), whose sum is σ = 96699581521920. Its totient is φ = 10664781744960.

The previous prime is 40142207655157. The next prime is 40142207655211. The reversal of 40142207655210 is 1255670224104.

It is a super-2 number, since 2×40142207655210² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40142207655211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495426081 + ... + 495507099.

It is an arithmetic number, because the mean of its divisors is an integer number (1510930961280).

Almost surely, 2^{40142207655210} is an apocalyptic number.

40142207655210 is an abundant number, since it is smaller than the sum of its proper divisors (56557373866710).

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

40142207655210 is a wasteful number, since it uses less digits than its factorization.

40142207655210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142243.

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 40142207655210 its reverse (1255670224104), we get a palindrome (41397877879314).

The spelling of 40142207655210 in words is "forty trillion, one hundred forty-two billion, two hundred seven million, six hundred fifty-five thousand, two hundred ten".