102040525364434 has 4 divisors (see below), whose sum is σ = 153060788046654. Its totient is φ = 51020262682216.

The previous prime is 102040525364417. The next prime is 102040525364447. The reversal of 102040525364434 is 434463525040201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100830778351209 + 1209747013225 = 10041453^2 + 1099885^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25510131341107 + ... + 25510131341110.

Almost surely, 2^{102040525364434} is an apocalyptic number.

102040525364434 is a deficient number, since it is larger than the sum of its proper divisors (51020262682220).

102040525364434 is an equidigital number, since it uses as much as digits as its factorization.

102040525364434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51020262682219.

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 102040525364434 in words is "one hundred two trillion, forty billion, five hundred twenty-five million, three hundred sixty-four thousand, four hundred thirty-four".