1949455410 has 64 divisors (see below), whose sum is σ = 5351097600. Its totient is φ = 445254912.

The previous prime is 1949455393. The next prime is 1949455421. The reversal of 1949455410 is 145549491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373096 + ... + 378284.

It is an arithmetic number, because the mean of its divisors is an integer number (83610900).

Almost surely, 2^1949455410 is an apocalyptic number.

1949455410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949455410 is an abundant number, since it is smaller than the sum of its proper divisors (3401642190).

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

1949455410 is a wasteful number, since it uses less digits than its factorization.

1949455410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1949455410 is about 44152.6376335548. The cubic root of 1949455410 is about 1249.2166633428.

The spelling of 1949455410 in words is "one billion, nine hundred forty-nine million, four hundred fifty-five thousand, four hundred ten".