1954048771480 has 64 divisors (see below), whose sum is σ = 4898079849600. Its totient is φ = 696615790080.

The previous prime is 1954048771471. The next prime is 1954048771487. The reversal of 1954048771480 is 841778404591.

It is a super-2 number, since 2×1954048771480² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954048771487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64774336 + ... + 64804495.

It is an arithmetic number, because the mean of its divisors is an integer number (76532497650).

Almost surely, 2^{1954048771480} is an apocalyptic number.

1954048771480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1954048771480 is an abundant number, since it is smaller than the sum of its proper divisors (2944031078120).

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

1954048771480 is a wasteful number, since it uses less digits than its factorization.

1954048771480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129578884 (or 129578880 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 1954048771480 in words is "one trillion, nine hundred fifty-four billion, forty-eight million, seven hundred seventy-one thousand, four hundred eighty".