1454831997904 has 40 divisors (see below), whose sum is σ = 2866881954240. Its totient is φ = 714994675200.

The previous prime is 1454831997799. The next prime is 1454831997929. The reversal of 1454831997904 is 4097991384541.

It is a happy number.

It is a super-2 number, since 2×1454831997904² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 7533109 + ... + 7723819.

It is an arithmetic number, because the mean of its divisors is an integer number (71672048856).

Almost surely, 2^{1454831997904} is an apocalyptic number.

It is an amenable number.

1454831997904 is a deficient number, since it is larger than the sum of its proper divisors (1412049956336).

1454831997904 is a wasteful number, since it uses less digits than its factorization.

1454831997904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198859 (or 198853 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 1454831997904 in words is "one trillion, four hundred fifty-four billion, eight hundred thirty-one million, nine hundred ninety-seven thousand, nine hundred four".