196458925740 has 384 divisors, whose sum is σ = 730056499200. Its totient is φ = 38238013440.

The previous prime is 196458925727. The next prime is 196458925757. The reversal of 196458925740 is 47529854691.

It is a super-2 number, since 2×196458925740² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7799847 + ... + 7824993.

It is an arithmetic number, because the mean of its divisors is an integer number (1901188800).

Almost surely, 2^196458925740 is an apocalyptic number.

196458925740 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 196458925740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365028249600).

196458925740 is an abundant number, since it is smaller than the sum of its proper divisors (533597573460).

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

196458925740 is a wasteful number, since it uses less digits than its factorization.

196458925740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285 (or 25283 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 196458925740 in words is "one hundred ninety-six billion, four hundred fifty-eight million, nine hundred twenty-five thousand, seven hundred forty".