1492621143552 has 320 divisors, whose sum is σ = 5508486720000. Its totient is φ = 387693527040.

The previous prime is 1492621143551. The next prime is 1492621143571. The reversal of 1492621143552 is 2553411262941.

1492621143552 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 621 + 14 + 3 + 5 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1492621143498 and 1492621143507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492621143551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363324 + ... + 1765572.

It is an arithmetic number, because the mean of its divisors is an integer number (17214021000).

Almost surely, 2^{1492621143552} is an apocalyptic number.

1492621143552 is a gapful number since it is divisible by the number (12) 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 1492621143552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2754243360000).

1492621143552 is an abundant number, since it is smaller than the sum of its proper divisors (4015865576448).

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

1492621143552 is a wasteful number, since it uses less digits than its factorization.

1492621143552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402294 (or 1402272 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 1492621143552 in words is "one trillion, four hundred ninety-two billion, six hundred twenty-one million, one hundred forty-three thousand, five hundred fifty-two".