1087473240 has 192 divisors, whose sum is σ = 4052505600. Its totient is φ = 247746816.

The previous prime is 1087473223. The next prime is 1087473259. The reversal of 1087473240 is 423747801.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1087473195 and 1087473204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1105789 + ... + 1106771.

It is an arithmetic number, because the mean of its divisors is an integer number (21106800).

Almost surely, 2^1087473240 is an apocalyptic number.

1087473240 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 1087473240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026252800).

1087473240 is an abundant number, since it is smaller than the sum of its proper divisors (2965032360).

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

1087473240 is a wasteful number, since it uses less digits than its factorization.

1087473240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1087473240 is about 32976.8591591134. The cubic root of 1087473240 is about 1028.3466231583.

The spelling of 1087473240 in words is "one billion, eighty-seven million, four hundred seventy-three thousand, two hundred forty".