196951440 has 160 divisors (see below), whose sum is σ = 709954560. Its totient is φ = 44232192.

The previous prime is 196951427. The next prime is 196951457. The reversal of 196951440 is 44159691.

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, 98127 + ... + 100113.

It is an arithmetic number, because the mean of its divisors is an integer number (4437216).

Almost surely, 2^196951440 is an apocalyptic number.

196951440 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 196951440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354977280).

196951440 is an abundant number, since it is smaller than the sum of its proper divisors (513003120).

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

196951440 is a wasteful number, since it uses less digits than its factorization.

196951440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 196951440 is about 14033.9388626287. The cubic root of 196951440 is about 581.8169734232.

The spelling of 196951440 in words is "one hundred ninety-six million, nine hundred fifty-one thousand, four hundred forty".