1375198450 has 24 divisors (see below), whose sum is σ = 2596052592. Its totient is φ = 541867920.

The previous prime is 1375198439. The next prime is 1375198463. The reversal of 1375198450 is 548915731.

It is a junction number, because it is equal to n+sod(n) for n = 1375198397 and 1375198406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201904 + ... + 208603.

It is an arithmetic number, because the mean of its divisors is an integer number (108168858).

Almost surely, 2^1375198450 is an apocalyptic number.

1375198450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375198450 is a deficient number, since it is larger than the sum of its proper divisors (1220854142).

1375198450 is a wasteful number, since it uses less digits than its factorization.

1375198450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410586 (or 410581 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1375198450 is about 37083.6682381881. The cubic root of 1375198450 is about 1112.0435395414.

The spelling of 1375198450 in words is "one billion, three hundred seventy-five million, one hundred ninety-eight thousand, four hundred fifty".