7421051240 has 32 divisors (see below), whose sum is σ = 16699835880. Its totient is φ = 2967981312.

The previous prime is 7421051213. The next prime is 7421051257. The reversal of 7421051240 is 421501247.

It can be written as a sum of positive squares in 4 ways, for example, as 5021423044 + 2399628196 = 70862^2 + 48986^2 .

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, 473774 + ... + 489186.

Almost surely, 2^7421051240 is an apocalyptic number.

It is an amenable number.

7421051240 is an abundant number, since it is smaller than the sum of its proper divisors (9278784640).

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

7421051240 is a wasteful number, since it uses less digits than its factorization.

7421051240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27461 (or 27457 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7421051240 is about 86145.5236213699. The cubic root of 7421051240 is about 1950.5412689857.

Adding to 7421051240 its reverse (421501247), we get a palindrome (7842552487).

The spelling of 7421051240 in words is "seven billion, four hundred twenty-one million, fifty-one thousand, two hundred forty".