102426537444 has 96 divisors (see below), whose sum is σ = 301558311936. Its totient is φ = 26283742080.

The previous prime is 102426537427. The next prime is 102426537517. The reversal of 102426537444 is 444735624201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 102426537396 and 102426537405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591087 + ... + 744470.

It is an arithmetic number, because the mean of its divisors is an integer number (3141232416).

Almost surely, 2^102426537444 is an apocalyptic number.

102426537444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102426537444 is an abundant number, since it is smaller than the sum of its proper divisors (199131774492).

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

102426537444 is a wasteful number, since it uses less digits than its factorization.

102426537444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335665 (or 1335663 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 102426537444 in words is "one hundred two billion, four hundred twenty-six million, five hundred thirty-seven thousand, four hundred forty-four".