1948040251464 has 32 divisors (see below), whose sum is σ = 4870453573440. Its totient is φ = 649299691200.

The previous prime is 1948040251433. The next prime is 1948040251489. The reversal of 1948040251464 is 4641520408491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2602347 + ... + 3266234.

It is an arithmetic number, because the mean of its divisors is an integer number (152201674170).

Almost surely, 2^{1948040251464} is an apocalyptic number.

It is an amenable number.

1948040251464 is an abundant number, since it is smaller than the sum of its proper divisors (2922413321976).

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

1948040251464 is a wasteful number, since it uses less digits than its factorization.

1948040251464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882421 (or 5882417 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 1948040251464 in words is "one trillion, nine hundred forty-eight billion, forty million, two hundred fifty-one thousand, four hundred sixty-four".