1426665231500 has 96 divisors (see below), whose sum is σ = 3184611655680. Its totient is φ = 558196632000.

The previous prime is 1426665231413. The next prime is 1426665231521. The reversal of 1426665231500 is 51325666241.

It is a happy number.

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, 4350281 + ... + 4666719.

It is an arithmetic number, because the mean of its divisors is an integer number (33173038080).

Almost surely, 2^{1426665231500} is an apocalyptic number.

1426665231500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426665231500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592305827840).

1426665231500 is an abundant number, since it is smaller than the sum of its proper divisors (1757946424180).

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

1426665231500 is a wasteful number, since it uses less digits than its factorization.

1426665231500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316656 (or 316644 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1426665231500 in words is "one trillion, four hundred twenty-six billion, six hundred sixty-five million, two hundred thirty-one thousand, five hundred".