40005145300 has 36 divisors (see below), whose sum is σ = 86865071356. Its totient is φ = 15992121600.

The previous prime is 40005145253. The next prime is 40005145387. The reversal of 40005145300 is 354150004.

It can be written as a sum of positive squares in 6 ways, for example, as 1644789136 + 38360356164 = 40556^2 + 195858^2 .

It is a super-2 number, since 2×40005145300² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38704 + ... + 285496.

Almost surely, 2^40005145300 is an apocalyptic number.

It is an amenable number.

40005145300 is an abundant number, since it is smaller than the sum of its proper divisors (46859926056).

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

40005145300 is a wasteful number, since it uses less digits than its factorization.

40005145300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248428 (or 248421 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 40005145300 its reverse (354150004), we get a palindrome (40359295304).

The spelling of 40005145300 in words is "forty billion, five million, one hundred forty-five thousand, three hundred".