10487785440 has 96 divisors (see below), whose sum is σ = 36039862656. Its totient is φ = 2542492160.

The previous prime is 10487785439. The next prime is 10487785447. The reversal of 10487785440 is 4458778401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 10487785440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10487785447) 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, 987882 + ... + 998441.

It is an arithmetic number, because the mean of its divisors is an integer number (375415236).

Almost surely, 2^10487785440 is an apocalyptic number.

10487785440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10487785440 is an abundant number, since it is smaller than the sum of its proper divisors (25552077216).

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

10487785440 is a wasteful number, since it uses less digits than its factorization.

10487785440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986352 (or 1986344 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 10487785440 in words is "ten billion, four hundred eighty-seven million, seven hundred eighty-five thousand, four hundred forty".