1958465450 has 48 divisors (see below), whose sum is σ = 3951168984. Its totient is φ = 719308800.

The previous prime is 1958465449. The next prime is 1958465471. The reversal of 1958465450 is 545648591.

It can be written as a sum of positive squares in 12 ways, for example, as 108347281 + 1850118169 = 10409^2 + 43013^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1958465395 and 1958465404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6752 + ... + 62948.

Almost surely, 2^1958465450 is an apocalyptic number.

1958465450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1958465450 is an abundant number, since it is smaller than the sum of its proper divisors (1992703534).

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

1958465450 is a wasteful number, since it uses less digits than its factorization.

1958465450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56267 (or 56262 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 1958465450 is about 44254.5528731226. The cubic root of 1958465450 is about 1251.1382591782.

The spelling of 1958465450 in words is "one billion, nine hundred fifty-eight million, four hundred sixty-five thousand, four hundred fifty".