1940434100976 has 80 divisors (see below), whose sum is σ = 5733624802304. Its totient is φ = 553952570112.

The previous prime is 1940434100971. The next prime is 1940434101029. The reversal of 1940434100976 is 6790014340491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940434100971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972936 + ... + 2788071.

Almost surely, 2^{1940434100976} is an apocalyptic number.

1940434100976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1940434100976 is an abundant number, since it is smaller than the sum of its proper divisors (3793190701328).

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

1940434100976 is a wasteful number, since it uses less digits than its factorization.

1940434100976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762238 (or 4762232 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 1940434100976 in words is "one trillion, nine hundred forty billion, four hundred thirty-four million, one hundred thousand, nine hundred seventy-six".