1494292157664 has 48 divisors (see below), whose sum is σ = 3923180658432. Its totient is φ = 498013100928.

The previous prime is 1494292157549. The next prime is 1494292157669. The reversal of 1494292157664 is 4667512924941.

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

It is a super-2 number, since 2×1494292157664² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1494292157598 and 1494292157607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494292157669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745384 + ... + 1882599.

It is an arithmetic number, because the mean of its divisors is an integer number (81732930384).

Almost surely, 2^{1494292157664} is an apocalyptic number.

It is an amenable number.

1494292157664 is an abundant number, since it is smaller than the sum of its proper divisors (2428888500768).

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

1494292157664 is a wasteful number, since it uses less digits than its factorization.

1494292157664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633919 (or 2633911 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The spelling of 1494292157664 in words is "one trillion, four hundred ninety-four billion, two hundred ninety-two million, one hundred fifty-seven thousand, six hundred sixty-four".