1948492142840 has 32 divisors (see below), whose sum is σ = 4384664460000. Its totient is φ = 779297810304.

The previous prime is 1948492142819. The next prime is 1948492142869. The reversal of 1948492142840 is 482412948491.

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, 2776115 + ... + 3406434.

It is an arithmetic number, because the mean of its divisors is an integer number (137020764375).

Almost surely, 2^{1948492142840} is an apocalyptic number.

1948492142840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1948492142840 is an abundant number, since it is smaller than the sum of its proper divisors (2436172317160).

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

1948492142840 is a wasteful number, since it uses less digits than its factorization.

1948492142840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190439 (or 6190435 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 1948492142840 in words is "one trillion, nine hundred forty-eight billion, four hundred ninety-two million, one hundred forty-two thousand, eight hundred forty".