1994597010 has 192 divisors, whose sum is σ = 6271499520. Its totient is φ = 429649920.

The previous prime is 1994596979. The next prime is 1994597023. The reversal of 1994597010 is 107954991.

1994597010 is a `hidden beast` number, since 199 + 459 + 7 + 0 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3363274 + ... + 3363866.

It is an arithmetic number, because the mean of its divisors is an integer number (32664060).

Almost surely, 2^1994597010 is an apocalyptic number.

1994597010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994597010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135749760).

1994597010 is an abundant number, since it is smaller than the sum of its proper divisors (4276902510).

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

1994597010 is a wasteful number, since it uses less digits than its factorization.

1994597010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 1994597010 is about 44660.9114327059. The cubic root of 1994597010 is about 1258.7854698867.

The spelling of 1994597010 in words is "one billion, nine hundred ninety-four million, five hundred ninety-seven thousand, ten".