2061451392 has 512 divisors, whose sum is σ = 7633059840. Its totient is φ = 475545600.

The previous prime is 2061451391. The next prime is 2061451397. The reversal of 2061451392 is 2931541602.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2061451391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11915818 + ... + 11915990.

It is an arithmetic number, because the mean of its divisors is an integer number (14908320).

Almost surely, 2^2061451392 is an apocalyptic number.

2061451392 is a gapful number since it is divisible by the number (22) 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 2061451392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816529920).

2061451392 is an abundant number, since it is smaller than the sum of its proper divisors (5571608448).

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

2061451392 is a wasteful number, since it uses less digits than its factorization.

2061451392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2061451392 is about 45403.2090495815. The cubic root of 2061451392 is about 1272.6950830993.

Adding to 2061451392 its reverse (2931541602), we get a palindrome (4992992994).

The spelling of 2061451392 in words is "two billion, sixty-one million, four hundred fifty-one thousand, three hundred ninety-two".