1400252501280 has 48 divisors (see below), whose sum is σ = 4410795380544. Its totient is φ = 373400666880.

The previous prime is 1400252501279. The next prime is 1400252501357. The reversal of 1400252501280 is 821052520041.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458595876 + ... + 1458596835.

It is an arithmetic number, because the mean of its divisors is an integer number (91891570428).

Almost surely, 2^{1400252501280} is an apocalyptic number.

1400252501280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400252501280 is an abundant number, since it is smaller than the sum of its proper divisors (3010542879264).

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

1400252501280 is a wasteful number, since it uses less digits than its factorization.

1400252501280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917192729 (or 2917192721 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The spelling of 1400252501280 in words is "one trillion, four hundred billion, two hundred fifty-two million, five hundred one thousand, two hundred eighty".