7542089280 has 224 divisors, whose sum is σ = 29025982080. Its totient is φ = 1828362240.

The previous prime is 7542089221. The next prime is 7542089327. The reversal of 7542089280 is 829802457.

7542089280 is a `hidden beast` number, since 7 + 542 + 0 + 89 + 28 + 0 = 666.

It is a super-2 number, since 2×7542089280² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55362 + ... + 134718.

Almost surely, 2^7542089280 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 7542089280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14512991040).

7542089280 is an abundant number, since it is smaller than the sum of its proper divisors (21483892800).

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

7542089280 is a wasteful number, since it uses less digits than its factorization.

7542089280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79394 (or 79378 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 7542089280 is about 86845.2029763302. The cubic root of 7542089280 is about 1961.0886358251.

The spelling of 7542089280 in words is "seven billion, five hundred forty-two million, eighty-nine thousand, two hundred eighty".