7148440487 has 8 divisors (see below), whose sum is σ = 7411022640. Its totient is φ = 6890059840.

The previous prime is 7148440427. The next prime is 7148440493. The reversal of 7148440487 is 7840448417.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7148440487 - 2³² = 2853473191 is a prime.

It is a super-2 number, since 2×7148440487² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148440417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046912 + ... + 1053717.

It is an arithmetic number, because the mean of its divisors is an integer number (926377830).

Almost surely, 2^7148440487 is an apocalyptic number.

7148440487 is a deficient number, since it is larger than the sum of its proper divisors (262582153).

7148440487 is a wasteful number, since it uses less digits than its factorization.

7148440487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100753.

The product of its (nonzero) digits is 802816, while the sum is 47.

The square root of 7148440487 is about 84548.4505298589. The cubic root of 7148440487 is about 1926.3584485217.

The spelling of 7148440487 in words is "seven billion, one hundred forty-eight million, four hundred forty thousand, four hundred eighty-seven".