100426405464612 has 18 divisors (see below), whose sum is σ = 253855636035638. Its totient is φ = 33475468488192.

The previous prime is 100426405464601. The next prime is 100426405464613. The reversal of 100426405464612 is 216464504624001.

100426405464612 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 2 + 6 + 40 + 546 + 4 + 61 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 90304234145316 + 10122171319296 = 9502854^2 + 3181536^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (100426405464613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1394811186973 + ... + 1394811187044.

Almost surely, 2^{100426405464612} is an apocalyptic number.

100426405464612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100426405464612 is an abundant number, since it is smaller than the sum of its proper divisors (153429230571026).

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

100426405464612 is a wasteful number, since it uses less digits than its factorization.

100426405464612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789622374027 (or 2789622374022 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 100426405464612 in words is "one hundred trillion, four hundred twenty-six billion, four hundred five million, four hundred sixty-four thousand, six hundred twelve".