1087953840 has 60 divisors (see below), whose sum is σ = 3653714064. Its totient is φ = 290120832.

The previous prime is 1087953799. The next prime is 1087953847. The reversal of 1087953840 is 483597801.

1087953840 is a `hidden beast` number, since 1 + 0 + 8 + 79 + 538 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is not an unprimeable number, because it can be changed into a prime (1087953847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754804 + ... + 756243.

Almost surely, 2^1087953840 is an apocalyptic number.

1087953840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087953840 is an abundant number, since it is smaller than the sum of its proper divisors (2565760224).

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

1087953840 is a wasteful number, since it uses less digits than its factorization.

1087953840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511066 (or 1511057 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1087953840 is about 32984.1452822413. The cubic root of 1087953840 is about 1028.4980906705.

The spelling of 1087953840 in words is "one billion, eighty-seven million, nine hundred fifty-three thousand, eight hundred forty".