949978260 has 576 divisors, whose sum is σ = 3889643520. Its totient is φ = 188179200.

The previous prime is 949978247. The next prime is 949978277. The reversal of 949978260 is 62879949.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 949978197 and 949978206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14178747 + ... + 14178813.

Almost surely, 2^949978260 is an apocalyptic number.

949978260 is a gapful number since it is divisible by the number (90) 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 949978260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944821760).

949978260 is an abundant number, since it is smaller than the sum of its proper divisors (2939665260).

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

949978260 is a wasteful number, since it uses less digits than its factorization.

949978260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 949978260 is about 30821.7173434577. The cubic root of 949978260 is about 983.0400736785.

The spelling of 949978260 in words is "nine hundred forty-nine million, nine hundred seventy-eight thousand, two hundred sixty".