202313251201440 has 48 divisors (see below), whose sum is σ = 637286741286048. Its totient is φ = 53950200320256.

The previous prime is 202313251201393. The next prime is 202313251201483. The reversal of 202313251201440 is 44102152313202.

It is a happy number.

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

It is a super-2 number, since 2×202313251201440² (a number of 29 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 202313251201398 and 202313251201407.

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, 210742969522 + ... + 210742970481.

It is an arithmetic number, because the mean of its divisors is an integer number (13276807110126).

Almost surely, 2^{202313251201440} is an apocalyptic number.

202313251201440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202313251201440 is an abundant number, since it is smaller than the sum of its proper divisors (434973490084608).

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

202313251201440 is a wasteful number, since it uses less digits than its factorization.

202313251201440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421485940021 (or 421485940013 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 202313251201440 in words is "two hundred two trillion, three hundred thirteen billion, two hundred fifty-one million, two hundred one thousand, four hundred forty".