10145540520 has 64 divisors (see below), whose sum is σ = 33818472000. Its totient is φ = 2705477184.

The previous prime is 10145540519. The next prime is 10145540567. The reversal of 10145540520 is 2504554101.

10145540520 is a `hidden beast` number, since 101 + 4 + 554 + 0 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 4695930 + ... + 4698089.

It is an arithmetic number, because the mean of its divisors is an integer number (528413625).

Almost surely, 2^10145540520 is an apocalyptic number.

10145540520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10145540520 is an abundant number, since it is smaller than the sum of its proper divisors (23672931480).

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

10145540520 is a wasteful number, since it uses less digits than its factorization.

10145540520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9394039 (or 9394029 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 10145540520 in words is "ten billion, one hundred forty-five million, five hundred forty thousand, five hundred twenty".