1031480457840 has 400 divisors, whose sum is σ = 4181388659712. Its totient is φ = 230750166528.

The previous prime is 1031480457817. The next prime is 1031480457857. The reversal of 1031480457840 is 487540841301.

1031480457840 is a `hidden beast` number, since 1 + 0 + 31 + 4 + 8 + 0 + 4 + 578 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 1890007 + ... + 2373833.

Almost surely, 2^{1031480457840} is an apocalyptic number.

1031480457840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031480457840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090694329856).

1031480457840 is an abundant number, since it is smaller than the sum of its proper divisors (3149908201872).

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

1031480457840 is a wasteful number, since it uses less digits than its factorization.

1031480457840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483906 (or 483891 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 1031480457840 in words is "one trillion, thirty-one billion, four hundred eighty million, four hundred fifty-seven thousand, eight hundred forty".