1966292340 has 48 divisors (see below), whose sum is σ = 5513864832. Its totient is φ = 523559296.

The previous prime is 1966292281. The next prime is 1966292371. The reversal of 1966292340 is 432926691.

It is a junction number, because it is equal to n+sod(n) for n = 1966292292 and 1966292301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16417 + ... + 64823.

It is an arithmetic number, because the mean of its divisors is an integer number (114872184).

Almost surely, 2^1966292340 is an apocalyptic number.

1966292340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1966292340 is an abundant number, since it is smaller than the sum of its proper divisors (3547572492).

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

1966292340 is a wasteful number, since it uses less digits than its factorization.

1966292340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49096 (or 49094 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1966292340 is about 44342.8950340412. The cubic root of 1966292340 is about 1252.8027435394.

The spelling of 1966292340 in words is "one billion, nine hundred sixty-six million, two hundred ninety-two thousand, three hundred forty".