949249980 has 72 divisors (see below), whose sum is σ = 3290737632. Its totient is φ = 216971136.

The previous prime is 949249967. The next prime is 949249993. The reversal of 949249980 is 89942949.

It is an interprime number because it is at equal distance from previous prime (949249967) and next prime (949249993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375427 + ... + 377946.

Almost surely, 2^949249980 is an apocalyptic number.

949249980 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

949249980 is an abundant number, since it is smaller than the sum of its proper divisors (2341487652).

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

949249980 is a wasteful number, since it uses less digits than its factorization.

949249980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753395 (or 753390 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 949249980 is about 30809.9006814368. The cubic root of 949249980 is about 982.7888007518.

The spelling of 949249980 in words is "nine hundred forty-nine million, two hundred forty-nine thousand, nine hundred eighty".