1514115451640 has 96 divisors (see below), whose sum is σ = 3763439820000. Its totient is φ = 547820317440.

The previous prime is 1514115451609. The next prime is 1514115451643. The reversal of 1514115451640 is 461545114151.

It is a junction number, because it is equal to n+sod(n) for n = 1514115451594 and 1514115451603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1514115451643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177146 + ... + 1749174.

It is an arithmetic number, because the mean of its divisors is an integer number (39202498125).

Almost surely, 2^{1514115451640} is an apocalyptic number.

1514115451640 is a gapful number since it is divisible by the number (10) 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 1514115451640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881719910000).

1514115451640 is an abundant number, since it is smaller than the sum of its proper divisors (2249324368360).

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

1514115451640 is a wasteful number, since it uses less digits than its factorization.

1514115451640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572261 (or 1572246 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 1514115451640 in words is "one trillion, five hundred fourteen billion, one hundred fifteen million, four hundred fifty-one thousand, six hundred forty".