1949461560 has 128 divisors (see below), whose sum is σ = 6840288000. Its totient is φ = 492490368.

The previous prime is 1949461559. The next prime is 1949461573. The reversal of 1949461560 is 651649491.

It is a happy number.

1949461560 is a `hidden beast` number, since 1 + 9 + 49 + 46 + 1 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26982 + ... + 68021.

It is an arithmetic number, because the mean of its divisors is an integer number (53439750).

Almost surely, 2^1949461560 is an apocalyptic number.

1949461560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949461560 is an abundant number, since it is smaller than the sum of its proper divisors (4890826440).

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

1949461560 is a wasteful number, since it uses less digits than its factorization.

1949461560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95042 (or 95032 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1949461560 is about 44152.7072782632. The cubic root of 1949461560 is about 1249.2179769874.

The spelling of 1949461560 in words is "one billion, nine hundred forty-nine million, four hundred sixty-one thousand, five hundred sixty".