1954315860 has 96 divisors (see below), whose sum is σ = 6275549952. Its totient is φ = 445148160.

The previous prime is 1954315849. The next prime is 1954315873. The reversal of 1954315860 is 685134591.

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

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, 115120 + ... + 131000.

It is an arithmetic number, because the mean of its divisors is an integer number (65370312).

Almost surely, 2^1954315860 is an apocalyptic number.

1954315860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1954315860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3137774976).

1954315860 is an abundant number, since it is smaller than the sum of its proper divisors (4321234092).

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

1954315860 is a wasteful number, since it uses less digits than its factorization.

1954315860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16193 (or 16191 counting only the distinct ones).

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

The square root of 1954315860 is about 44207.6448139912. The cubic root of 1954315860 is about 1250.2539985176.

The spelling of 1954315860 in words is "one billion, nine hundred fifty-four million, three hundred fifteen thousand, eight hundred sixty".