1394074080 has 576 divisors, whose sum is σ = 5943974400. Its totient is φ = 290304000.

The previous prime is 1394074067. The next prime is 1394074081. The reversal of 1394074080 is 804704931.

It is a happy number.

1394074080 is a `hidden beast` number, since 139 + 407 + 40 + 80 = 666.

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 (1394074081) 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, 5553955 + ... + 5554205.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2^1394074080 is an apocalyptic number.

1394074080 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 1394074080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971987200).

1394074080 is an abundant number, since it is smaller than the sum of its proper divisors (4549900320).

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

1394074080 is a wasteful number, since it uses less digits than its factorization.

1394074080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1394074080 is about 37337.3014557828. The cubic root of 1394074080 is about 1117.1083143008.

The spelling of 1394074080 in words is "one billion, three hundred ninety-four million, seventy-four thousand, eighty".