1951942104 has 384 divisors, whose sum is σ = 6807628800. Its totient is φ = 506373120.

The previous prime is 1951942103. The next prime is 1951942123. The reversal of 1951942104 is 4012491591.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1951942103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47608324 + ... + 47608364.

It is an arithmetic number, because the mean of its divisors is an integer number (17728200).

Almost surely, 2^1951942104 is an apocalyptic number.

1951942104 is a gapful number since it is divisible by the number (14) 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 1951942104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403814400).

1951942104 is an abundant number, since it is smaller than the sum of its proper divisors (4855686696).

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

1951942104 is a wasteful number, since it uses less digits than its factorization.

1951942104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1951942104 is about 44180.7888566965. The cubic root of 1951942104 is about 1249.7475978913.

The spelling of 1951942104 in words is "one billion, nine hundred fifty-one million, nine hundred forty-two thousand, one hundred four".