1355457400 has 48 divisors (see below), whose sum is σ = 3437938440. Its totient is φ = 492892800.

The previous prime is 1355457377. The next prime is 1355457407. The reversal of 1355457400 is 47545531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355457407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305859 + ... + 310258.

Almost surely, 2^1355457400 is an apocalyptic number.

1355457400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355457400 is an abundant number, since it is smaller than the sum of its proper divisors (2082481040).

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

1355457400 is a wasteful number, since it uses less digits than its factorization.

1355457400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616144 (or 616135 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 1355457400 is about 36816.5370451921. The cubic root of 1355457400 is about 1106.6967238332.

The spelling of 1355457400 in words is "one billion, three hundred fifty-five million, four hundred fifty-seven thousand, four hundred".