40026403140 has 48 divisors (see below), whose sum is σ = 112366614528. Its totient is φ = 10645832704.

The previous prime is 40026403139. The next prime is 40026403211. The reversal of 40026403140 is 4130462004.

It is a super-3 number, since 3×40026403140³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 40026403140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847917 + ... + 893876.

It is an arithmetic number, because the mean of its divisors is an integer number (2340971136).

Almost surely, 2^40026403140 is an apocalyptic number.

It is an amenable number.

40026403140 is an abundant number, since it is smaller than the sum of its proper divisors (72340211388).

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

40026403140 is a wasteful number, since it uses less digits than its factorization.

40026403140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742188 (or 1742186 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40026403140 its reverse (4130462004), we get a palindrome (44156865144).

The spelling of 40026403140 in words is "forty billion, twenty-six million, four hundred three thousand, one hundred forty".