1961424504 has 192 divisors, whose sum is σ = 6235538400. Its totient is φ = 567779328.

The previous prime is 1961424481. The next prime is 1961424551. The reversal of 1961424504 is 4054241691.

1961424504 is a `hidden beast` number, since 1 + 9 + 6 + 142 + 4 + 504 = 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 47 ways as a sum of consecutive naturals, for example, 810304 + ... + 812720.

Almost surely, 2^1961424504 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 1961424504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3117769200).

1961424504 is an abundant number, since it is smaller than the sum of its proper divisors (4274113896).

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

1961424504 is a wasteful number, since it uses less digits than its factorization.

1961424504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1961424504 is about 44287.9724530261. The cubic root of 1961424504 is about 1251.7680588486.

The spelling of 1961424504 in words is "one billion, nine hundred sixty-one million, four hundred twenty-four thousand, five hundred four".