196757440 has 56 divisors (see below), whose sum is σ = 511131312. Its totient is φ = 71546880.

The previous prime is 196757423. The next prime is 196757447. The reversal of 196757440 is 44757691.

196757440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196757447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24429 + ... + 31468.

Almost surely, 2^196757440 is an apocalyptic number.

196757440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196757440 is an abundant number, since it is smaller than the sum of its proper divisors (314373872).

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

196757440 is a wasteful number, since it uses less digits than its factorization.

196757440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55925 (or 55915 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 196757440 is about 14027.0253439566. The cubic root of 196757440 is about 581.6258779709.

The spelling of 196757440 in words is "one hundred ninety-six million, seven hundred fifty-seven thousand, four hundred forty".