10315551440 has 40 divisors (see below), whose sum is σ = 25245958560. Its totient is φ = 3909050496.

The previous prime is 10315551439. The next prime is 10315551487. The reversal of 10315551440 is 4415551301.

10315551440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10315551440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391754 + ... + 3394793.

It is an arithmetic number, because the mean of its divisors is an integer number (631148964).

Almost surely, 2^10315551440 is an apocalyptic number.

10315551440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10315551440 is an abundant number, since it is smaller than the sum of its proper divisors (14930407120).

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

10315551440 is a wasteful number, since it uses less digits than its factorization.

10315551440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786579 (or 6786573 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 10315551440 in words is "ten billion, three hundred fifteen million, five hundred fifty-one thousand, four hundred forty".