7421405000 has 40 divisors (see below), whose sum is σ = 17388363630. Its totient is φ = 2968560000.

The previous prime is 7421404987. The next prime is 7421405011. The reversal of 7421405000 is 5041247.

It can be written as a sum of positive squares in 5 ways, for example, as 1346449636 + 6074955364 = 36694^2 + 77942^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 737141 + ... + 747140.

Almost surely, 2^7421405000 is an apocalyptic number.

It is an amenable number.

7421405000 is an abundant number, since it is smaller than the sum of its proper divisors (9966958630).

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

7421405000 is a wasteful number, since it uses less digits than its factorization.

7421405000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484307 (or 1484288 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 7421405000 is about 86147.5768666769. The cubic root of 7421405000 is about 1950.5722624615.

Adding to 7421405000 its reverse (5041247), we get a palindrome (7426446247).

The spelling of 7421405000 in words is "seven billion, four hundred twenty-one million, four hundred five thousand".