1073886840 has 288 divisors, whose sum is σ = 3982446000. Its totient is φ = 250159104.

The previous prime is 1073886829. The next prime is 1073886851. The reversal of 1073886840 is 486883701.

It is an interprime number because it is at equal distance from previous prime (1073886829) and next prime (1073886851).

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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1155496 + ... + 1156424.

Almost surely, 2^1073886840 is an apocalyptic number.

1073886840 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 1073886840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991223000).

1073886840 is an abundant number, since it is smaller than the sum of its proper divisors (2908559160).

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

1073886840 is a wasteful number, since it uses less digits than its factorization.

1073886840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1073886840 is about 32770.2126938474. The cubic root of 1073886840 is about 1024.0460972697.

The spelling of 1073886840 in words is "one billion, seventy-three million, eight hundred eighty-six thousand, eight hundred forty".