2061450972 has 180 divisors, whose sum is σ = 6423810624. Its totient is φ = 574439040.

The previous prime is 2061450947. The next prime is 2061450983. The reversal of 2061450972 is 2790541602.

2061450972 is a `hidden beast` number, since 20 + 61 + 4 + 509 + 72 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 649333 + ... + 652499.

Almost surely, 2^2061450972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061450972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3211905312).

2061450972 is an abundant number, since it is smaller than the sum of its proper divisors (4362359652).

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

2061450972 is a wasteful number, since it uses less digits than its factorization.

2061450972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2061450972 is about 45403.2044243575. The cubic root of 2061450972 is about 1272.6949966663.

The spelling of 2061450972 in words is "two billion, sixty-one million, four hundred fifty thousand, nine hundred seventy-two".