32013020131440 has 80 divisors (see below), whose sum is σ = 99245850620928. Its totient is φ = 8536333264128.

The previous prime is 32013020131427. The next prime is 32013020131451. The reversal of 32013020131440 is 4413102031023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 32013020131440.

It is a congruent number.

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, 671229 + ... + 8029731.

Almost surely, 2^{32013020131440} is an apocalyptic number.

32013020131440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32013020131440 is an abundant number, since it is smaller than the sum of its proper divisors (67232830489488).

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

32013020131440 is a wasteful number, since it uses less digits than its factorization.

32013020131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376646 (or 7376640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32013020131440 its reverse (4413102031023), we get a palindrome (36426122162463).

The spelling of 32013020131440 in words is "thirty-two trillion, thirteen billion, twenty million, one hundred thirty-one thousand, four hundred forty".