142440053084658 has 64 divisors (see below), whose sum is σ = 361767821015040. Its totient is φ = 40695436184400.

The previous prime is 142440053084657. The next prime is 142440053084713. The reversal of 142440053084658 is 856480350044241.

142440053084658 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 40 + 0 + 530 + 8 + 4 + 65 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (142440053084657) 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, 987993 + ... + 16907283.

It is an arithmetic number, because the mean of its divisors is an integer number (5652622203360).

Almost surely, 2^{142440053084658} is an apocalyptic number.

142440053084658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142440053084658 is an abundant number, since it is smaller than the sum of its proper divisors (219327767930382).

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

142440053084658 is a wasteful number, since it uses less digits than its factorization.

142440053084658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15942980 (or 15942974 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 54.

The spelling of 142440053084658 in words is "one hundred forty-two trillion, four hundred forty billion, fifty-three million, eighty-four thousand, six hundred fifty-eight".