1401535531424 has 96 divisors (see below), whose sum is σ = 3227509587456. Its totient is φ = 586558667520.

The previous prime is 1401535531397. The next prime is 1401535531433. The reversal of 1401535531424 is 4241355351041.

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, 51874079 + ... + 51901089.

It is an arithmetic number, because the mean of its divisors is an integer number (33619891536).

Almost surely, 2^{1401535531424} is an apocalyptic number.

1401535531424 is a gapful number since it is divisible by the number (14) 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 1401535531424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613754793728).

1401535531424 is an abundant number, since it is smaller than the sum of its proper divisors (1825974056032).

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

1401535531424 is a wasteful number, since it uses less digits than its factorization.

1401535531424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32458 (or 32450 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 1401535531424 in words is "one trillion, four hundred one billion, five hundred thirty-five million, five hundred thirty-one thousand, four hundred twenty-four".