1438142953632 has 96 divisors (see below), whose sum is σ = 4706649690624. Its totient is φ = 373543622400.

The previous prime is 1438142953631. The next prime is 1438142953669. The reversal of 1438142953632 is 2363592418341.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×1438142953632³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1438142953631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97269594 + ... + 97284377.

It is an arithmetic number, because the mean of its divisors is an integer number (49027600944).

Almost surely, 2^{1438142953632} is an apocalyptic number.

1438142953632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1438142953632 is an abundant number, since it is smaller than the sum of its proper divisors (3268506736992).

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

1438142953632 is a wasteful number, since it uses less digits than its factorization.

1438142953632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194554002 (or 194553994 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 1438142953632 in words is "one trillion, four hundred thirty-eight billion, one hundred forty-two million, nine hundred fifty-three thousand, six hundred thirty-two".