1046556640 has 96 divisors (see below), whose sum is σ = 2570006880. Its totient is φ = 402253824.

The previous prime is 1046556629. The next prime is 1046556671. The reversal of 1046556640 is 466556401.

1046556640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1046556640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312722 + ... + 1313518.

It is an arithmetic number, because the mean of its divisors is an integer number (26770905).

Almost surely, 2^1046556640 is an apocalyptic number.

1046556640 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 1046556640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285003440).

1046556640 is an abundant number, since it is smaller than the sum of its proper divisors (1523450240).

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

1046556640 is a wasteful number, since it uses less digits than its factorization.

1046556640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1046556640 is about 32350.5276618481. The cubic root of 1046556640 is about 1015.2840865603.

The spelling of 1046556640 in words is "one billion, forty-six million, five hundred fifty-six thousand, six hundred forty".