1153607640 has 64 divisors (see below), whose sum is σ = 3467028960. Its totient is φ = 307077120.

The previous prime is 1153607563. The next prime is 1153607647. The reversal of 1153607640 is 467063511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153607647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60910 + ... + 77570.

Almost surely, 2^1153607640 is an apocalyptic number.

1153607640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153607640 is an abundant number, since it is smaller than the sum of its proper divisors (2313421320).

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

1153607640 is a wasteful number, since it uses less digits than its factorization.

1153607640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252 (or 17248 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1153607640 is about 33964.8000141323. The cubic root of 1153607640 is about 1048.7839709173.

The spelling of 1153607640 in words is "one billion, one hundred fifty-three million, six hundred seven thousand, six hundred forty".