1953230454 has 72 divisors (see below), whose sum is σ = 5081813568. Its totient is φ = 540056160.

The previous prime is 1953230441. The next prime is 1953230471. The reversal of 1953230454 is 4540323591.

It is a super-2 number, since 2×1953230454² = 7630218412866092232, which 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 35 ways as a sum of consecutive naturals, for example, 8377 + ... + 63060.

It is an arithmetic number, because the mean of its divisors is an integer number (70580744).

Almost surely, 2^1953230454 is an apocalyptic number.

1953230454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1953230454 is an abundant number, since it is smaller than the sum of its proper divisors (3128583114).

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

1953230454 is a wasteful number, since it uses less digits than its factorization.

1953230454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71490 (or 71480 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1953230454 is about 44195.3668838714. The cubic root of 1953230454 is about 1250.0224964485.

The spelling of 1953230454 in words is "one billion, nine hundred fifty-three million, two hundred thirty thousand, four hundred fifty-four".