1061951040 has 224 divisors, whose sum is σ = 3944112000. Its totient is φ = 268240896.

The previous prime is 1061951039. The next prime is 1061951063. The reversal of 1061951040 is 401591601.

1061951040 is a `hidden beast` number, since 1 + 0 + 619 + 5 + 1 + 0 + 40 = 666.

It is a super-2 number, since 2×1061951040² = 2255480022714163200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1061950995 and 1061951013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160926 + ... + 167394.

Almost surely, 2^1061951040 is an apocalyptic number.

1061951040 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 1061951040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972056000).

1061951040 is an abundant number, since it is smaller than the sum of its proper divisors (2882160960).

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

1061951040 is a wasteful number, since it uses less digits than its factorization.

1061951040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514 (or 6498 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1061951040 is about 32587.5902760545. The cubic root of 1061951040 is about 1020.2380067429.

The spelling of 1061951040 in words is "one billion, sixty-one million, nine hundred fifty-one thousand, forty".