7151487040 has 56 divisors (see below), whose sum is σ = 17036780760. Its totient is φ = 2859368448.

The previous prime is 7151487023. The next prime is 7151487059. The reversal of 7151487040 is 407841517.

It can be written as a sum of positive squares in 4 ways, for example, as 771950656 + 6379536384 = 27784^2 + 79872^2 .

It is a super-2 number, since 2×7151487040² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281376 + ... + 1286944.

Almost surely, 2^7151487040 is an apocalyptic number.

It is an amenable number.

7151487040 is an abundant number, since it is smaller than the sum of its proper divisors (9885293720).

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

7151487040 is a wasteful number, since it uses less digits than its factorization.

7151487040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9599 (or 9589 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 7151487040 is about 84566.4652211502. The cubic root of 7151487040 is about 1926.6320708871.

The spelling of 7151487040 in words is "seven billion, one hundred fifty-one million, four hundred eighty-seven thousand, forty".