400154041 has 48 divisors (see below), whose sum is σ = 525476160. Its totient is φ = 301916160.

The previous prime is 400153997. The next prime is 400154047. The reversal of 400154041 is 140451004.

It is not a de Polignac number, because 400154041 - 2¹¹ = 400151993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (400154047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2073241 + ... + 2073433.

It is an arithmetic number, because the mean of its divisors is an integer number (10947420).

Almost surely, 2^400154041 is an apocalyptic number.

It is an amenable number.

400154041 is a deficient number, since it is larger than the sum of its proper divisors (125322119).

400154041 is a wasteful number, since it uses less digits than its factorization.

400154041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 400154041 is about 20003.8506543115. The cubic root of 400154041 is about 736.9008695721.

The spelling of 400154041 in words is "four hundred million, one hundred fifty-four thousand, forty-one".