102013001040 has 40 divisors (see below), whose sum is σ = 316240303968. Its totient is φ = 27203466880.

The previous prime is 102013001021. The next prime is 102013001047. The reversal of 102013001040 is 40100310201.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102013001047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212526846 + ... + 212527325.

Almost surely, 2^102013001040 is an apocalyptic number.

102013001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102013001040 is an abundant number, since it is smaller than the sum of its proper divisors (214227302928).

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

102013001040 is a wasteful number, since it uses less digits than its factorization.

102013001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425054187 (or 425054181 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102013001040 its reverse (40100310201), we get a palindrome (142113311241).

The spelling of 102013001040 in words is "one hundred two billion, thirteen million, one thousand, forty".