1878240316534 has 16 divisors (see below), whose sum is σ = 3112787022048. Its totient is φ = 845448326272.

The previous prime is 1878240316529. The next prime is 1878240316553. The reversal of 1878240316534 is 4356130428781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200920137 + ... + 1200921700.

It is an arithmetic number, because the mean of its divisors is an integer number (194549188878).

Almost surely, 2^{1878240316534} is an apocalyptic number.

1878240316534 is a deficient number, since it is larger than the sum of its proper divisors (1234546705514).

1878240316534 is a wasteful number, since it uses less digits than its factorization.

1878240316534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401841879.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 1878240316534 in words is "one trillion, eight hundred seventy-eight billion, two hundred forty million, three hundred sixteen thousand, five hundred thirty-four".