40152542340 has 24 divisors (see below), whose sum is σ = 112427118720. Its totient is φ = 10707344608.

The previous prime is 40152542327. The next prime is 40152542347. The reversal of 40152542340 is 4324525104.

It is a super-2 number, since 2×40152542340² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40152542298 and 40152542307.

It is not an unprimeable number, because it can be changed into a prime (40152542347) 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, 334604460 + ... + 334604579.

It is an arithmetic number, because the mean of its divisors is an integer number (4684463280).

Almost surely, 2^40152542340 is an apocalyptic number.

It is an amenable number.

40152542340 is an abundant number, since it is smaller than the sum of its proper divisors (72274576380).

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

40152542340 is a wasteful number, since it uses less digits than its factorization.

40152542340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669209051 (or 669209049 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 40152542340 in words is "forty billion, one hundred fifty-two million, five hundred forty-two thousand, three hundred forty".